With more than 180 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers and integrators involved in deploying energy storage systems around the globe. Interested in becoming a member?
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Leadership Circle Members

Able Grid
    Clearway Energy Group
      Con Edison Battery Storage
        Duke
        • Board Member
        e-on
          East Penn
            EDF
              Enel
              • Board Member
              Fluence
              • Board Member
              GE Renewable Energy
              • Board Member
              Google
                Invenergy LLC
                  Key Capture Energy
                    LG Chem Ltd
                      Lockheed Martin Energy
                        LS Energy Solutions
                          MAP Energy
                            Mortenson
                              National Grid
                                New York Power Authority (NYPA)
                                  NextEra Energy, Inc.
                                    Oncor
                                      PPL Corporation
                                        Shell New Energies US
                                          Stem Inc.
                                            Swinerton Renewable Energy
                                            • Board Member
                                            Trane

                                              Full Members

                                              8Minute Solar Energy
                                                Acciona Energy USA
                                                  Advanced Microgrid Systems
                                                    Aggreko
                                                      Amber Kinetics
                                                        Ameresco, Inc.
                                                        • Board Member
                                                        American Municipal Power, Inc
                                                          Argonne National Laboratory
                                                            Arizona Public Service
                                                              Ascend Analytics
                                                                Blymyer Engineers, Inc
                                                                  Bonneville Power Administration
                                                                    Brenmiller Energy
                                                                      California Independent System Operator
                                                                        Candela Renewables
                                                                          Citizens Energy Corporation
                                                                            Clean Feet Investers I, LLC
                                                                              CleanCapital
                                                                                Cobra Instalaciones y Servicios
                                                                                  Coffman Engineers
                                                                                    CSA Group
                                                                                      Customized Energy Solutions, LTD.
                                                                                      • Sponsorship Partner
                                                                                      Cypress Creek Renewables
                                                                                        Dimension Renewable Energy
                                                                                          DNV GL Energy
                                                                                            Doosan GridTech
                                                                                              Duke
                                                                                              • Board Member
                                                                                              Dynapower Company LLC
                                                                                                e2comply, LLC.
                                                                                                  East Point Energy
                                                                                                    EDP Renewables North America
                                                                                                      Enel
                                                                                                      • Board Member
                                                                                                      Energy Intelligence Partners
                                                                                                        Enertis Solar Inc
                                                                                                          ENGIE North America
                                                                                                          • Board Member
                                                                                                          Entergy
                                                                                                            Eos Energy Storage
                                                                                                              EPC Power Corp
                                                                                                                EPRI
                                                                                                                  EsVolta LP
                                                                                                                    EVgo
                                                                                                                    • Board Member
                                                                                                                    FastGrid
                                                                                                                      FlexGen
                                                                                                                        Fluence
                                                                                                                        • Board Member
                                                                                                                        Foley Hoag LLP
                                                                                                                          Forefront Power Development
                                                                                                                            GE Renewable Energy
                                                                                                                            • Board Member
                                                                                                                            GlidePath Power Solutions
                                                                                                                              Gravity Storage Inc.
                                                                                                                                Green Power EMC
                                                                                                                                  Hannon Armstrong
                                                                                                                                    Hanwha Energy USA
                                                                                                                                      Hecate Grid LLC
                                                                                                                                        Highview Power Storage
                                                                                                                                          Hotstart
                                                                                                                                            Hydrogenics Corporation
                                                                                                                                              Hydrostor
                                                                                                                                                Hyosung Corporation
                                                                                                                                                  IHI Energy Storage
                                                                                                                                                    Innolith AG
                                                                                                                                                      Innovation Core SEI, Inc. (Sumitomo Electric Group)
                                                                                                                                                        Intertek Testing Services, NA
                                                                                                                                                          Jupiter Power LLC
                                                                                                                                                            K&L Gates
                                                                                                                                                              Kiewit
                                                                                                                                                                Kilpatrick Townsend & Stockton LLP
                                                                                                                                                                  KORE Power
                                                                                                                                                                    LendLease Energy Development
                                                                                                                                                                      Li-Ion Tamer
                                                                                                                                                                        Longitude 122 West
                                                                                                                                                                          LS Power Development
                                                                                                                                                                            Maxwell Technologies, Inc.
                                                                                                                                                                            • Sponsorship Partner
                                                                                                                                                                            Mitsubishi Electric Power Products, Inc.
                                                                                                                                                                              Morrison & Foerster LLP
                                                                                                                                                                                NantEnergy
                                                                                                                                                                                  National Rural Electrical Cooperative Association
                                                                                                                                                                                    National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                    • Board Member
                                                                                                                                                                                    Navigant Consulting
                                                                                                                                                                                      NEC Energy Solutions
                                                                                                                                                                                        Nikola Power
                                                                                                                                                                                          North American Development Bank
                                                                                                                                                                                            Oatfield LLC
                                                                                                                                                                                              Open Road Renewables
                                                                                                                                                                                                Origis Energy USA
                                                                                                                                                                                                  Orsted Energy Storage and Solar
                                                                                                                                                                                                    Pacific Gas and Electric Company
                                                                                                                                                                                                    • Board Member
                                                                                                                                                                                                    Pacific Northwest National Laboratory
                                                                                                                                                                                                      Panasonic
                                                                                                                                                                                                        Pattern Energy Group
                                                                                                                                                                                                          Peak Power
                                                                                                                                                                                                            Pierce Atwood LLP
                                                                                                                                                                                                              Pine Gate Renewables
                                                                                                                                                                                                                Plus Power
                                                                                                                                                                                                                  PowerSecure Inc.
                                                                                                                                                                                                                    Powin Energy
                                                                                                                                                                                                                      Prisma Energy Solutions, LLC.
                                                                                                                                                                                                                        Rappahannock Electric Cooperative
                                                                                                                                                                                                                        • Board Member
                                                                                                                                                                                                                        Recurrent Energy
                                                                                                                                                                                                                          RES Group
                                                                                                                                                                                                                            S3.Energy
                                                                                                                                                                                                                              SaltX Technology
                                                                                                                                                                                                                                San Diego Gas & Electric
                                                                                                                                                                                                                                  Sandia National Laboratories
                                                                                                                                                                                                                                    Savion, LLC
                                                                                                                                                                                                                                      Shaw Consulting
                                                                                                                                                                                                                                      • Board Member
                                                                                                                                                                                                                                      Siemens Gamesa
                                                                                                                                                                                                                                        Sinexcel
                                                                                                                                                                                                                                          SMA - America
                                                                                                                                                                                                                                            SNC-Lavalin
                                                                                                                                                                                                                                              Solar Turbines
                                                                                                                                                                                                                                                Southern California Edison
                                                                                                                                                                                                                                                  Southern Company
                                                                                                                                                                                                                                                    Southern Research
                                                                                                                                                                                                                                                      Spano VPP DevCo LLC
                                                                                                                                                                                                                                                        Standard Solar
                                                                                                                                                                                                                                                          Stantec
                                                                                                                                                                                                                                                            Sterling Municipal Light Company
                                                                                                                                                                                                                                                              Strata Solar
                                                                                                                                                                                                                                                                Sunnova
                                                                                                                                                                                                                                                                  Sunwoda Electronic Co., Ltd.
                                                                                                                                                                                                                                                                    Swinerton Renewable Energy
                                                                                                                                                                                                                                                                    • Board Member
                                                                                                                                                                                                                                                                    Tennessee Valley Authority
                                                                                                                                                                                                                                                                      UL
                                                                                                                                                                                                                                                                        UniEnergy Technologies
                                                                                                                                                                                                                                                                          Viking Cold Solutions
                                                                                                                                                                                                                                                                            Vionx Energy
                                                                                                                                                                                                                                                                              Viridity Energy
                                                                                                                                                                                                                                                                                VRB Energy
                                                                                                                                                                                                                                                                                  Wärtsilä
                                                                                                                                                                                                                                                                                    Westwood Professional Services
                                                                                                                                                                                                                                                                                      WGL Energy

                                                                                                                                                                                                                                                                                        Associate Members

                                                                                                                                                                                                                                                                                        California Energy Storage Alliance
                                                                                                                                                                                                                                                                                        • Organizational
                                                                                                                                                                                                                                                                                        Edison Electric Institute
                                                                                                                                                                                                                                                                                        • Organizational
                                                                                                                                                                                                                                                                                        North Carolina Sustainable Energy Association
                                                                                                                                                                                                                                                                                        • Organizational

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